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Use static initialization

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This helps with multi-threaded apps.
This commit is contained in:
Diego Nehab 2019-03-09 23:23:48 -03:00
parent c7215bef07
commit 03b72d8f7e
2 changed files with 145 additions and 10 deletions
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3
src/makefile
View File

@ -35,7 +35,8 @@ DEBUG?=NODEBUG
# LUAINC_macosx: # LUAINC_macosx:
# /opt/local/include # /opt/local/include
LUAINC_macosx_base?=/opt/local/include LUAINC_macosx_base?=/opt/local/include
LUAINC_macosx?=$(LUAINC_macosx_base)/lua/$(LUAV) $(LUAINC_macosx_base)/lua$(LUAV) LUAINC_macosx?=$(LUAINC_macosx_base)/lua/$(LUAV) $(LUAINC_macosx_base)/lua$(LUAV) $(LUAINC_macosx_base)/lua-$(LUAV)
# FIXME default should this default to fink or to macports? # FIXME default should this default to fink or to macports?
# What happens when more than one Lua version is installed? # What happens when more than one Lua version is installed?
LUAPREFIX_macosx?=/opt/local LUAPREFIX_macosx?=/opt/local

152
src/mime.c
View File

@ -3,6 +3,7 @@
* LuaSocket toolkit * LuaSocket toolkit
\*=========================================================================*/ \*=========================================================================*/
#include <string.h> #include <string.h>
#include <ctype.h>
#include "lua.h" #include "lua.h"
#include "lauxlib.h" #include "lauxlib.h"
@ -30,12 +31,12 @@ static int mime_global_eol(lua_State *L);
static int mime_global_dot(lua_State *L); static int mime_global_dot(lua_State *L);
static size_t dot(int c, size_t state, luaL_Buffer *buffer); static size_t dot(int c, size_t state, luaL_Buffer *buffer);
static void b64setup(UC *base); //static void b64setup(UC *base);
static size_t b64encode(UC c, UC *input, size_t size, luaL_Buffer *buffer); static size_t b64encode(UC c, UC *input, size_t size, luaL_Buffer *buffer);
static size_t b64pad(const UC *input, size_t size, luaL_Buffer *buffer); static size_t b64pad(const UC *input, size_t size, luaL_Buffer *buffer);
static size_t b64decode(UC c, UC *input, size_t size, luaL_Buffer *buffer); static size_t b64decode(UC c, UC *input, size_t size, luaL_Buffer *buffer);
static void qpsetup(UC *class, UC *unbase); //static void qpsetup(UC *class, UC *unbase);
static void qpquote(UC c, luaL_Buffer *buffer); static void qpquote(UC c, luaL_Buffer *buffer);
static size_t qpdecode(UC c, UC *input, size_t size, luaL_Buffer *buffer); static size_t qpdecode(UC c, UC *input, size_t size, luaL_Buffer *buffer);
static size_t qpencode(UC c, UC *input, size_t size, static size_t qpencode(UC c, UC *input, size_t size,
@ -58,17 +59,111 @@ static luaL_Reg func[] = {
/*-------------------------------------------------------------------------*\ /*-------------------------------------------------------------------------*\
* Quoted-printable globals * Quoted-printable globals
\*-------------------------------------------------------------------------*/ \*-------------------------------------------------------------------------*/
static UC qpclass[256];
static UC qpbase[] = "0123456789ABCDEF";
static UC qpunbase[256];
enum {QP_PLAIN, QP_QUOTED, QP_CR, QP_IF_LAST}; enum {QP_PLAIN, QP_QUOTED, QP_CR, QP_IF_LAST};
static UC qpclass[] = {
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_IF_LAST, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_CR, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_IF_LAST, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_QUOTED, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN, QP_PLAIN,
QP_PLAIN, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED,
QP_QUOTED, QP_QUOTED, QP_QUOTED, QP_QUOTED
};
static const UC qpbase[] = "0123456789ABCDEF";
static const UC qpunbase[] = {
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255,
255, 255, 255, 255, 255, 255, 10, 11, 12, 13, 14, 15,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 10, 11, 12, 13, 14, 15, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255
};
/*-------------------------------------------------------------------------*\ /*-------------------------------------------------------------------------*\
* Base64 globals * Base64 globals
\*-------------------------------------------------------------------------*/ \*-------------------------------------------------------------------------*/
static const UC b64base[] = static const UC b64base[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static UC b64unbase[256];
static const UC b64unbase[] = {
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 62, 255, 255, 255, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 255, 255, 255, 0,
255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 255, 255,
255, 255, 255, 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
51, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255
};
/*=========================================================================*\ /*=========================================================================*\
* Exported functions * Exported functions
@ -85,8 +180,8 @@ LUASOCKET_API int luaopen_mime_core(lua_State *L)
lua_pushstring(L, MIME_VERSION); lua_pushstring(L, MIME_VERSION);
lua_rawset(L, -3); lua_rawset(L, -3);
/* initialize lookup tables */ /* initialize lookup tables */
qpsetup(qpclass, qpunbase); // qpsetup(qpclass, qpunbase);
b64setup(b64unbase); // b64setup(b64unbase);
return 1; return 1;
} }
@ -145,13 +240,21 @@ static int mime_global_wrp(lua_State *L)
/*-------------------------------------------------------------------------*\ /*-------------------------------------------------------------------------*\
* Fill base64 decode map. * Fill base64 decode map.
\*-------------------------------------------------------------------------*/ \*-------------------------------------------------------------------------*/
#if 0
static void b64setup(UC *unbase) static void b64setup(UC *unbase)
{ {
int i; int i;
for (i = 0; i <= 255; i++) unbase[i] = (UC) 255; for (i = 0; i <= 255; i++) unbase[i] = (UC) 255;
for (i = 0; i < 64; i++) unbase[b64base[i]] = (UC) i; for (i = 0; i < 64; i++) unbase[b64base[i]] = (UC) i;
unbase['='] = 0; unbase['='] = 0;
printf("static const UC b64unbase[] = {\n");
for (int i = 0; i < 256; i++) {
printf("%d, ", unbase[i]);
}
printf("\n}\n;");
} }
#endif
/*-------------------------------------------------------------------------*\ /*-------------------------------------------------------------------------*\
* Acumulates bytes in input buffer until 3 bytes are available. * Acumulates bytes in input buffer until 3 bytes are available.
@ -349,8 +452,10 @@ static int mime_global_unb64(lua_State *L)
* Split quoted-printable characters into classes * Split quoted-printable characters into classes
* Precompute reverse map for encoding * Precompute reverse map for encoding
\*-------------------------------------------------------------------------*/ \*-------------------------------------------------------------------------*/
#if 0
static void qpsetup(UC *cl, UC *unbase) static void qpsetup(UC *cl, UC *unbase)
{ {
int i; int i;
for (i = 0; i < 256; i++) cl[i] = QP_QUOTED; for (i = 0; i < 256; i++) cl[i] = QP_QUOTED;
for (i = 33; i <= 60; i++) cl[i] = QP_PLAIN; for (i = 33; i <= 60; i++) cl[i] = QP_PLAIN;
@ -367,7 +472,37 @@ static void qpsetup(UC *cl, UC *unbase)
unbase['c'] = 12; unbase['D'] = 13; unbase['d'] = 13; unbase['c'] = 12; unbase['D'] = 13; unbase['d'] = 13;
unbase['E'] = 14; unbase['e'] = 14; unbase['F'] = 15; unbase['E'] = 14; unbase['e'] = 14; unbase['F'] = 15;
unbase['f'] = 15; unbase['f'] = 15;
printf("static UC qpclass[] = {");
for (int i = 0; i < 256; i++) {
if (i % 6 == 0) {
printf("\n ");
}
switch(cl[i]) {
case QP_QUOTED:
printf("QP_QUOTED, ");
break;
case QP_PLAIN:
printf("QP_PLAIN, ");
break;
case QP_CR:
printf("QP_CR, ");
break;
case QP_IF_LAST:
printf("QP_IF_LAST, ");
break;
}
}
printf("\n};\n");
printf("static const UC qpunbase[] = {");
for (int i = 0; i < 256; i++) {
int c = qpunbase[i];
printf("%d, ", c);
}
printf("\";\n");
} }
#endif
/*-------------------------------------------------------------------------*\ /*-------------------------------------------------------------------------*\
* Output one character in form =XX * Output one character in form =XX
@ -447,7 +582,6 @@ static size_t qppad(UC *input, size_t size, luaL_Buffer *buffer)
\*-------------------------------------------------------------------------*/ \*-------------------------------------------------------------------------*/
static int mime_global_qp(lua_State *L) static int mime_global_qp(lua_State *L)
{ {
size_t asize = 0, isize = 0; size_t asize = 0, isize = 0;
UC atom[3]; UC atom[3];
const UC *input = (const UC *) luaL_optlstring(L, 1, NULL, &isize); const UC *input = (const UC *) luaL_optlstring(L, 1, NULL, &isize);